The Dutch painter Rembrandt was already an excellent painter when he was 24 years old.
Gauguin went to sea for business in his early years, and art was just a hobby. However, after attending several art exhibitions, his self-confidence soared, he loved art very much, gave up his high-paying career and began to specialize in painting. His wife couldn't understand what he did, so she left him. After that, he became poor, but he persisted.
Miller's Late Bell is a figure painting, but the sunset inside is beautiful. Although Miller's oil paintings are mainly figure paintings, his paintings all put the characters in the sunset and backlight. If you want to learn from them, you can have a look.